The Cummins 6BT5.9 is a 6-cylinder inline diesel engine with 5.9 liters displacement. Bore × stroke: 102mm × 120mm. Turbocharged with optional aftercooling. Bosch P7100 or VE mechanical fuel system – no ECU, no common rail. Power: 110–180 kW at 2000–2500 rpm. Max torque: 680 N·m at 1600 rpm.Key features: gear-driven balancer shafts for low vibration, replaceable wet cylinder liners, and high swirl combustion chamber. Emissions: EPA Tier 1–2 / EU Stage I–II. Maintenance intervals: 250 hours oil change.Typical applications: medium-duty trucks (5–8 tons), 10–20 ton excavators, 30–50 kVA gensets, agricultural tractors (80–150hp), and boats.We supply complete 6BT5.9 engines, P7100 pumps, injectors, and overhaul kits. Dyno-tested with data report. Provide your application for fitment check.
